21099994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14280806

約数列:

[1, 2, 19, 29, 38, 41, 58, 82, 467, 551, 779, 934, 1102, 1189, 1558, 2378, 8873, 13543, 17746, 19147, 22591, 27086, 38294, 45182, 257317, 363793, 514634, 555263, 727586, 1110526, 10549997, 21099994]

約数ペア:

[(1, 21099994), (2, 10549997), (19, 1110526), (29, 727586), (38, 555263), (41, 514634), (58, 363793), (82, 257317), (467, 45182), (551, 38294), (779, 27086), (934, 22591), (1102, 19147), (1189, 17746), (1558, 13543), (2378, 8873)]